304.3.1 Parking garages.
MC § 304.3.1
Connection of a parking garage with any room in which there is a fuel-fired appliance shall be by means of a vestibule providing a two-doorway separation, except that a single door is permitted where the sources of ignition in the appliance are elevated in accordance with Section 304.3. Exception: This section shall not apply to appliance installations complying with Section 304.6.













